40 spline axles, 4-3/4" bolt pattern, hubs with bearings, drive plates, MW 4-piston quick change calipers with linings, caliper mounts, drilled steel rotors, studs, lug nuts and washers. Installation - Service instructions can be found on Service Bulletin #0032 & #0086. NO SPINDLES.
 
Manufacturer: Mark Williams Enterprises, Inc.